Film Capacitors

Image Part Number Description / PDF Quantity Rfq
FPG66Y0124J--

FPG66Y0124J--

Elco (AVX)

CAP FILM 0.12UF 5% 3KVDC AXIAL

0

FFB36J0825K--

FFB36J0825K--

Elco (AVX)

CAP FILM 8.2UF 10% 525VDC RADIAL

59

CB047G0104JBC

CB047G0104JBC

Elco (AVX)

CAP FILM 0.1UF 5% 250VDC 2220

685

FFLI6U0157K--

FFLI6U0157K--

Elco (AVX)

CAP FILM 150UF 10% 1.15KVDC RAD

14

CB028B0823JBA

CB028B0823JBA

Elco (AVX)

CAP FILM 0.082UF 5% 16VDC 1210

0

FFB14H0755K--

FFB14H0755K--

Elco (AVX)

CAP FILM 7.5UF 10% 300VDC RADIAL

0

FFV34F0656K--

FFV34F0656K--

Elco (AVX)

CAP FILM 65UF 10% 160VDC RADIAL

1

CB052G0104JBC

CB052G0104JBC

Elco (AVX)

CAP FILM 0.1UF 5% 250VDC 2824

0

CB162D0225JBC

CB162D0225JBC

Elco (AVX)

CAP FILM 2.2UF 5% 63VDC 4030

2099

CB017C0682J--

CB017C0682J--

Elco (AVX)

CAP FILM 6800PF 5% 25VDC 1206

0

FFB16A0335K--

FFB16A0335K--

Elco (AVX)

CAP FILM 3.3UF 10% 720VDC RADIAL

98

CB018B0182GBA

CB018B0182GBA

Elco (AVX)

CAP FILM 1800PF 2% 16VDC 1206

0

FFVE6B0107KJE

FFVE6B0107KJE

Elco (AVX)

CAP FILM 100UF 10% 800VDC RADIAL

5

FFV34E0806K--

FFV34E0806K--

Elco (AVX)

CAP FILM 80UF 10% 100VDC RADIAL

0

FFB24I0755K--

FFB24I0755K--

Elco (AVX)

CAP FILM 7.5UF 10% 400VDC RADIAL

48

CB038D0104JBA

CB038D0104JBA

Elco (AVX)

CAP FILM 0.1UF 5% 50VDC 1812

8916

FFVE6U0107K7X

FFVE6U0107K7X

Elco (AVX)

CAP FILM 100UF 10% 1.2KVDC RAD

3

FFB26L0185K--

FFB26L0185K--

Elco (AVX)

CAP FILM 1.8UF 10% 1.1KVDC RAD

135

FFV34E0107K--

FFV34E0107K--

Elco (AVX)

CAP FILM 100UF 10% 100VDC RADIAL

174

FFLI6U0867K--

FFLI6U0867K--

Elco (AVX)

CAP FILM 860UF 10% 1.15KVDC RAD

0

Film Capacitors

1. Overview

Film capacitors are a type of electronic component using plastic films (e.g., polypropylene, polyester) as dielectric materials. They are non-polarized capacitors with high insulation resistance, low loss, and excellent long-term stability. These capacitors play critical roles in power electronics, automotive systems, renewable energy, and consumer devices due to their reliability and high voltage-handling capabilities.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Polyester (PET) Low cost, compact size, moderate temperature stability General-purpose circuits, consumer electronics
Polypropylene (PP) High voltage resistance, low dielectric loss, excellent thermal stability Power supplies, motor drives, EV charging systems
Polycarbonate (PC) High precision, low moisture absorption Medical devices, aerospace instrumentation
Polyphenylene Sulfide (PPS) High-temperature endurance, flame retardant Automotive electronics, industrial automation
Polyimide (PI) Ultra-high temperature resistance (up to 200 C), compact design Aviation systems, downhole drilling equipment

3. Structure and Composition

Film capacitors typically consist of metalized plastic films wound or stacked into a cylindrical/rectangular core. The dielectric thickness ranges from 1-10 m, with electrode materials like zinc or aluminum. The assembly is encapsulated in epoxy resin or plastic housings. Key structural elements include:

  • Dielectric layer (plastic film)
  • Metallized electrode patterns
  • Termination electrodes (sprayed metal contacts)
  • Protective outer coating

4. Key Technical Parameters

Parameter Description Importance
Capacitance Range 0.1 nF - 100 F Determines energy storage capacity
Rated Voltage 50 V - 10 kV Defines operational safety limits
Capacitance Tolerance 1% to 20% Affects circuit precision
Dissipation Factor 0.0001 - 0.05 Indicates energy efficiency
Insulation Resistance 10^9 - 10^12 Reflects leakage current performance
Operating Temperature -55 C to +155 C Dictates environmental adaptability
Temperature Coefficient 50 to 400 ppm/ C Impacts stability under thermal stress
Stability C/C < 2% over 10 years Long-term reliability indicator

5. Application Fields

Main industries and equipment:

  • Power electronics: AC/DC converters, frequency inverters
  • Automotive: Electric vehicle (EV) on-board chargers, battery management systems
  • Consumer electronics: LED lighting, plasma TVs
  • Industrial: Uninterruptible power supplies (UPS), welding machines
  • Renewable energy: Solar inverters, wind turbine converters

6. Leading Manufacturers and Products

Manufacturer Representative Product Key Features
TDK Corporation B32656 series PP film, 480 F/1200 V for industrial inverters
KEMET C4AZ-X7R4U3D106KE Automotive-grade DC link capacitor
AVX 6TP105K Tantalum polymer hybrid for aerospace
Vishay MKP1848 series Self-healing PP technology

7. Selection Guidelines

Key considerations:

  1. Determine required capacitance and voltage ratings with safety margins
  2. Assess environmental conditions (temperature, humidity, vibration)
  3. Evaluate dielectric absorption and frequency response requirements
  4. Consider packaging constraints (through-hole vs. surface-mount)
  5. Analyze cost-performance trade-offs for mass production

8. Industry Trends

Emerging trends include: development of high-power-density capacitors for EVs, adoption of nanodielectric materials for improved thermal stability, growth of biodegradable film technologies, and integration of smart monitoring features in industrial capacitors. The market is projected to grow at 7.2% CAGR (2023-2030), driven by renewable energy and 5G infrastructure demands.

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